Drag is relative to speed and AoA... so any single number is completely meaningless. I think 42 is a better number.
That's it Ian, you found it. Jim's analysis of windsurfing, best one I've found to date. Sadly he never broke down the drag figures into individual components before he passed away. It's a good reference to establish a base point for calculations and testing. Have built the AFTTR to withstand 200 pounds of force when testing flex/twist of fins and foils.
Almost finished 3d printing the test components for the lift/drag experiments, just waiting for a weather window to start testing, still a bit chilly here!
Here's the little buggers, the first batch of 3D Roodents for testing. Had to develop a complex algorithm to shape and scale them for differing chord-lengths. Modeled in Solidworks before printing on a Prusa. If testing is encouraging will build some molds to make them from more flexible materials.